Quantitative Aptitude - Arithmetic Ability Questions

When a number is increased by 21, it becomes 114% of itself. What is the number?

If sec -5π/4 = x, then the value of x is

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the 1st ball with respect to 2nd ball.

A student has to secure 40% marks to pass. He gets 67 and fails by 13 marks. What is the maximum marks?

Mr. Ankit is on tour to Siachin and he has Rs. 360 for his expenditure. If he exceeds his tour by 4 days, he must trim down his daily expenditure by Rs.3. Forhow many days is Mr. Ankit is on tour?

The ratio of the sides of a triangular shaped park is 3 : 4 : 5 and the perimeter of the park is 170 m. What is the perpendicular distance in meters from the vertex, opposite to the largest side of the park?

If a : b is 32 : 35 and b : c is 21 : 32, then a : c is?

Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?